Eureka Style HF-5 HEPA Vacuum Filter 61830B Eureka and Sanitaire Style HF-5 HEPA Filter. Lightspeed 5700, 5800, 5900 Series. 1 HEPA Filter in pack. Eureka HEPA vacuum filters are designed according to strict HEPA standards. The media in these filters help trap 99.97% of all airborne pollutants 0.3 microns or larger, including mold spores, pet dander, grass and ragweed pollen and other microscopic allergens. Fits Eureka & Sanitaire Models: C5712A, 5810A, 5740A, 5840A, 5843AZ, 5844AV, 5844AZ, 5846AH, 5847AV, 5843AV, 5892AVZ, 5740A-1, 5740A-2. Manufacturer Part No.: 61830B-2